Finding the Fourth Proportional to 9,765,000.63, 13,479,188.40 and 6,665,305.41
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Solution
The fourth proportional to 9,765,000.63, 13,479,188.40 and 6,665,305.41 is: 9,200,501.95
Step by Step Solution
- Step 1: Write the proportion equation
9,765,000.63 : 13,479,188.40 = 6,665,305.41 : x - Step 2: Convert to fraction form
9,765,000.63/13,479,188.40 = 6,665,305.41/x - Step 3: Cross multiply
9,765,000.63x = 13,479,188.40 × 6,665,305.41 - Step 4: Simplify right side
9,765,000.63x = 89,842,907,364,929.25 - Step 5: Solve for x
x = 89,842,907,364,929.25/9,765,000.63 - Step 6: Final answer
x = 9,200,501.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.